*{
  margin: 0;
  padding: 0;
}
#map{
  width: 100vw;
  /* height: 100vh; */
  height:calc(100vh - 25px);
  background-color: purple;
  text-align: center;
}
.btns{
  cursor: pointer;
}
.ol-attribution{
  display: block !important;
}